Do GPs know their patients with cancer?Assessing the quality of cancer registration in Dutch primary care: a cross-sectional validation study

OBJECTIVES: To assess the quality of cancer registry in primary care. DESIGN AND SETTING: A cross-sectional validation study using linked data from primary care electronic health records (EHRs) and the Netherlands Cancer Registry (NCR). POPULATION: 290 000 patients, registered with 120 general practitioners (GPs), from 50 practice centres in the Utrecht area, the Netherlands, in January 2013. INTERVENTION: Linking the EHRs of all patients in the Julius General Practitioners' Network database at an individual patient level to the full NCR (∼1.7 million tumours between 1989 and 2011), to determi... Mehr ...